#include <iostream>

int stonetolb(int);     // 函数原型

int main()
{
    using namespace std;

    int stone;
    cout << "Enter the weight in stone: ";
    cin >> stone;

    int pounds = stonetolb(stone);
    cout << stone << " stone = ";
    cout << pounds << " pounds." << endl;

    return 0;
}

int stonetolb(int sts)  // 返回int类型的值的函数
{
    // 1英石 = 14磅
    return 14 * sts;
}